From Wikipedia, the free encylopedia. Arthur Robert Schmidt (June 17, 1937 – August 5, 2023) was an American film editor with about 27 film credits between 1977 and 2005. Schmidt had an extended collaboration with director Robert Zemeckis from the Back to the Future film trilogy (1985—1990) to Cast Away (2000). Description above from the Wikipedia article Arthur Schmidt, licensed under CC-BY-SA, full list of contributors on Wikipedia.